Finding the Fourth Proportional to 531,130.67, 796,931.37 and 278,351.00
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Solution
The fourth proportional to 531,130.67, 796,931.37 and 278,351.00 is: 417,649.84
Step by Step Solution
- Step 1: Write the proportion equation
531,130.67 : 796,931.37 = 278,351.00 : x - Step 2: Convert to fraction form
531,130.67/796,931.37 = 278,351.00/x - Step 3: Cross multiply
531,130.67x = 796,931.37 × 278,351.00 - Step 4: Simplify right side
531,130.67x = 221,826,638,394.46 - Step 5: Solve for x
x = 221,826,638,394.46/531,130.67 - Step 6: Final answer
x = 417,649.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.